20375640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56599}}^1$

素因数の和:56616

約数の個数: 48

約数和(自身を含む): 66222000

約数和(自身を除く): 45846360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56599, 113198, 169797, 226396, 282995, 339594, 452792, 509391, 565990, 679188, 848985, 1018782, 1131980, 1358376, 1697970, 2037564, 2263960, 2546955, 3395940, 4075128, 5093910, 6791880, 10187820, 20375640]

約数ペア:

[(1, 20375640), (2, 10187820), (3, 6791880), (4, 5093910), (5, 4075128), (6, 3395940), (8, 2546955), (9, 2263960), (10, 2037564), (12, 1697970), (15, 1358376), (18, 1131980), (20, 1018782), (24, 848985), (30, 679188), (36, 565990), (40, 509391), (45, 452792), (60, 339594), (72, 282995), (90, 226396), (120, 169797), (180, 113198), (360, 56599)]